Answer:
The third one.
Step-by-step explanation:
Answer:
This question has insufficient information. Assuming that the person is standing at the tip of the tree's shadow, then the tree would be 8/5 * 32 feet, or 256/5 feet, or 51.2 feet.
Answer:
105.07°
Step-by-step explanation:
The angle of v1 is ...
arctan(5/2) ≈ 68.199°
The angle of v2 is ...
arctan(-3/4) ≈ -38.870°
The angle difference between the two vectors is ...
68.199° -(-38.870°) = 105.07°